6. Which of the following is the elementary matrix that multiplies the third row of a four-by-four matrix by 2 and adds the result to the fourth row? (1 0 0 0 2 10 0 0 0 1 0 0 0 1 O (1 0 0 0 0 1 1 2 0 0 0 0 0 1, O (1 0 0 0 0 1 0 0 0 0 2 1 1 100 0 0 0 0 1 0 0 1 20 0 1
6. Which of the following is the elementary matrix that multiplies the third row of a four-by-four matrix by 2 and adds the result to the fourth row? (1 0 0 0 2 10 0 0 0 1 0 0 0 1 O (1 0 0 0 0 1 1 2 0 0 0 0 0 1, O (1 0 0 0 0 1 0 0 0 0 2 1 1 100 0 0 0 0 1 0 0 1 20 0 1
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Transcribed Image Text:6. Which of the following is the elementary matrix that multiplies the third row of a four-by-four matrix by 2 and adds
the result to the fourth row?
(1 0 0 0
2 10 0
0 0 1
0 0 0 1
O (1 0 0 0
0 1
1 2
0 0
0 0 0 1,
O (1 0 0 0
0 1
0 0
0 0 2 1
1
100 0
0 0
0 1
0 0 1
20 0 1
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